C610 Step up

He Zhangkong and Xiao Fengyi were the first to walk up the stairs.

One step was about twenty centimeters high.

Chu Tian saw that once the two of them stepped onto the steps, their bodies sank and they felt a little uncomfortable. They paused and then once again began to climb upwards.

When their feet touched the second step, they felt their bodies tremble.

This time